batch-update.coffee

fs = require 'fs'

newname = (f, date, time)->
  c = fs.readFileSync f,
    encoding: 'utf-8'

  [skip, title] = c.match /^Title: ([^\r\n]+)$/m

  content = c.replace /^Date: .*$/m, ($0)->
    "
CDate: #{ date.slice(0, 4) }-
#{ date.slice 4, 6 }-
#{ date.slice 6, 8 } 
#{ time.slice 0, 2 }:
#{ time.slice 2, 4 }
\r\n" + $0

  content = content.replace /^(Slug: )\d{4}-\d{2}-\d{2}-/m, '$1'

  content = content.replace /^Slug: .*$/m, ($0)->
    $0.replace /-/g, ' '

  title = title.replace /[:\/\\]/g, ' '

  {
    orig: f
    newname: date[2..] + '-' + time + '_' + title + '.md'
    content
  }

files = for i in fs.readdirSync './' when /.*\.md$/.test(i)
  if m = i.match /^(\d{6})-(\d{4})/
    newname i, '20' + m[1], m[2]
  else if m = i.match /^(\d{4})-(\d{2})-(\d{2})_(\d{2})-(\d{2})/
    newname i, m.slice(1,4).join(''), m.slice(4,6).join('')
  else
    {
      orig: i
      newname: i
    }



for i in files
  # console.log ('-' for j in [0..80]).join('')

  if i.content
    # console.log i.content.slice 0, i.content.search(/(\r\n|\n|\r)\1/)
    fs.writeFileSync i.orig, i.content,
      encoding: 'utf-8'
  if i.orig and i.newname and i.orig isnt i.newname
    console.log i.orig + ' -> ' + i.newname
    fs.renameSync i.orig, i.newname